// 呼吸动画
@keyframes breathe {
  0% {
    opacity: 0.9;
    transform: scale(0.9);
  }
  25% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.9;
    transform: scale(0.9);
  }
  80% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0.9;
    transform: scale(0.9);
  }
}

// 光点绕圈
@keyframes one {
  0% {
    left: -100%;
  }
  50%,
  100% {
    left: 100%;
  }
}
 
@keyframes two {
  0% {
    top: -100%;
  }
  50%,
  100% {
    top: 100%;
  }
}
 
@keyframes three {
  0% {
    right: -100%;
  }
  50%,
  100% {
    right: 100%;
  }
}
 
@keyframes four {
  0% {
    bottom: -100%;
  }
  50%,
  100% {
    bottom: 100%;
  }
}
